Codeception\TestCase\WPTestCase::flush_cache PHP Метод

    function flush_cache()
    {
        global $wp_object_cache;
        $wp_object_cache->group_ops = array();
        $wp_object_cache->stats = array();
        $wp_object_cache->memcache_debug = array();
        $wp_object_cache->cache = array();
        if (method_exists($wp_object_cache, '__remoteset')) {
            $wp_object_cache->__remoteset();
        }
        wp_cache_flush();
        wp_cache_add_global_groups(array('users', 'userlogins', 'usermeta', 'user_meta', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache'));
        wp_cache_add_non_persistent_groups(array('comment', 'counts', 'plugins'));
    }